Polystyrene is widely used as packaging materials for fragile objects during transportation because of its

• A) ligjtness
• B) low density
• C) high density
• D) high compressibility

Consider the reaction represented by the equation: 2NaHCO₃ → Na₂CO₃+ H₂O + CO₂ What is the mass of sodium trioxocarbonate (lV) produced by the complete decomposition of 33.6 g of sodium hydrogen trioxocarbonate (IV)? [NaHCO3 = 84, Na2CO3 = 106]

• A. 10.6 g
• B. 16.8 g
• C. 21.2 g
• D. 42.4 g

Choose the option that has the same consonant sound as the one represented by the letter(s) underlined. Caused

• A. chanced
• B. frost
• C. released
• D. realized

The type of sentence that contains two or more coordinate independent clauses is _________

• A. compound
• B. complex
• C. compound-complex
• D. multiple

During mating, the male toad holds the female with its?

• A. sticky tongue
• B. jelly
• C. webbed hind limbs
• D. nuptial pad

Which of the following cannot be used to travel from Portharcourt to Kano?

• A. Motor car
• B. Train
• C. Boat
• D. Aeroplane

Zakat is an economic system that de-emphasize

• A. accumulation of wealth
• B. poverty
• C. helping others
• D. employment.

(a) Define a contract of sale

(b) Outline six items that must be contained in a contract sale.

The products of fermentation of sugar are

• A. carbon(IV) oxide and water
• B. ethanol and carbon (IV) oxide
• C. ethanol and water
• D. ethanol and enzymes

The marginal productivity theory applies in a

• A. unionized labour market
• B. perfectly competitive market
• C. monopsonistic market only
• D. monopolistic market only